1 // Copyright (C) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef ICING_UTIL_DATA_LOSS_H_ 16 #define ICING_UTIL_DATA_LOSS_H_ 17 18 namespace icing { 19 namespace lib { 20 21 enum DataLoss { 22 // No data loss happened. Everything initialized correctly. 23 NONE, 24 25 // Anything changes made after a persist to disk call were lost. This includes 26 // adding new data, removing old data, and modifying existing data. 27 PARTIAL, 28 29 // All data is lost. IcingSearchEngine has completely reset. 30 COMPLETE 31 }; 32 33 } 34 } // namespace icing 35 36 #endif // ICING_UTIL_DATA_LOSS_H_ 37